Bluetooth speaker offers great quality sound with the latest Bluetooth technology. It features two highly powerful 40mm total 5W acoustic drivers for excellent sound. You will be amazed at the loudness and richness of sound that comes out of this small speaker. Equipped with the advanced Bluetooth 3.0 technology, compatible with all Bluetooth-enabled devices (Bluetooth V2.1 and over). The passive radiator could provide strong bass without distortion even at highest volume. Built-in microphone for hands-free speaker phone calling Easy to pair - No code/pin needed. With the ultra-compact size and excellent design, it can be easily fitted into a backpack, suitcase, or a travel bag. The built-in 1200 mAh rechargeable battery enables a 5-8 hours of playtime on a single charge. This speaker is strong enough to fill up a kitchen, living room, or classroom. It is ideal for personal usage, indoor party or outdoor BBQ or picnic with friends and family. A great gift for all occasions.Bluetooth speaker offers great quality sound with the latest Bluetooth technology. It features two highly powerful 40mm total 5W acoustic drivers for excellent sound. You will be amazed at the loudness and richness of sound that comes out of this small speaker. Equipped with the advanced Bluetooth 3.0 technology, compatible with all Bluetooth-enabled devices (Bluetooth V2.1 and over).  Highly powerful 5W Bass acoustic drivers and ultra-small sizeAmazingly loud and excellent of sound qualityBuilt-in microphone for hands-free speaker phone callingUp to 8 hours of playtime on a single chargeSupport TF/SD cardBest selling Bluetooth speaker in its class